He had a negative impact on England. In the first two decades as a ruler he weakened the Whig party through bribary and patronage. He taxed American colonies to pay for military protection which led to hostilities.
He was described as dull-witted, weak, and mentaly unstable.
American Revolution - Insane King George III
*He was most known for losing the American colonies during revolts.
"THE KING WHO LOST AMERICA"